protected int extractParameterFromLink(Element link, String parameter) {
Pattern pattern = Pattern.compile(".*(?:" + parameter + ")=(\\d*)");
String text = link.attr("href");
if (!TextUtils.isEmpty(text)) {
Matcher matcher = pattern.matcher(text);
if (matcher.find()) return Integer.parseInt(matcher.group(1));
else Utils.appendLog("Href doesn't contain such parameter");
} else Utils.appendLog("Element does not contain href");
return 0;
}
protected Element getElement(int column, String select) {
Element element = tempColumns.get(column).select(select).first();
if (element != null) return element;
else Utils.appendLog("No such element `" + select + "`");
return null;
}
protected Date parseDate(String text) {
try {
if (!text.equals("--")) return PARSING_FORMAT.parse(text);
} catch (ParseException e) {
Utils.appendLog("Error while parsing time string: `" + text + "`");
}
return new Date(0L);
}
protected T getFromFile(Context context, int id) {
String filename = ParentEntity.getFileName(getGenericTypeClass(), id);
T object = null;
FileInputStream fis = null;
ObjectInputStream is = null;
try {
fis = context.openFileInput(filename);
is = new ObjectInputStream(fis);
object = (T) is.readObject();
object.isKeptLocally = true;
return object;
} catch (FileNotFoundException e) {
return null;
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
Utils.close(fis);
Utils.close(is);
}
}